Home / 28,954.74-43,432.05-8,178.24

Finding the Fourth Proportional to 28,954.74, 43,432.05 and 8,178.24

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Solution

The fourth proportional to 28,954.74, 43,432.05 and 8,178.24 is: 12,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.74 : 43,432.05 = 8,178.24 : x
  2. Step 2: Convert to fraction form
    28,954.74/43,432.05 = 8,178.24/x
  3. Step 3: Cross multiply
    28,954.74x = 43,432.05 × 8,178.24
  4. Step 4: Simplify right side
    28,954.74x = 355,197,728.59
  5. Step 5: Solve for x
    x = 355,197,728.59/28,954.74
  6. Step 6: Final answer
    x = 12,267.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.